Means for producing and controlling pneumatic pressure.



Patented June y10, 1913.

' MEETS-SHEET 1.

. SMITH.

APPLIOATION FILED .TUNE 26, 1912.

MEANS FOR PRODUGING AND CONTROLLING PNEUMATIC PRESSURE.

llllllllllllll",

wi/tmaooeo H. SMITH.

MEANS FOR PRODUGING AND CONTROLLING PNEUMATIG PRESSURE.

APPLICATION FILED JNE 26, 1912.

Patented June 10, 1913.

2 SHEETS- SHEET 2.

I @Mmc-eo and Sti-ite of the machine MEANS F03 PBODUCING AND CNTROLLINGPNEUMATICI Application nica June zo, 1912. fiorini Eo. www.

17o @il whom it may concern:

iie'it known 'that Hmm' Siiii'in.I a..

The present invention rovides a simplev e'octive ,and unique mec enismwhich admits of the automatic control of. the-'broke ,inecl'ioniem ondthe ination. of the tire when necessary. n

The invention provides o mechanism which may be adopted to any molte ofmnciiine, the come embodying a, rceorvoir for containing oir underpressure, o. broke cylindici: arranged oropern'ting thebrolres, o. volvo'onder control oi tho o erotici' for ademittingH oir ifrointhereo/ertoir to 'the breite cylinder both for settinennd releasing thelimites, ineens for coiipiling the nir reser- Voir to the tire to beindicted, en oir coin-r prcsoor ndoptedto be drivenv b means of themotor for replocing the .nir rawn from the reservoir for operating therequired gin-rt, sind 'o -rogilntor for ,nu'tomoticolly throwing; theair compre-nor into or out of notion, coid regulator. boing controlledby thechonge or variation or pressure' within the oir reservoir, so thatwhen the reservoir is charged with air to the predetermined number oipounds er square inch the air i cnniproeeor will be t irown out ofoction und when the oir pressure Within the reservoir is lowered to a'vsn`point the .air compressor is thrown into ection so os to apply thereservoir and inointein the required pressureof oir therein.

, The invention consists of the novel feotures. details of constructionand combination of parte, which hereinafter will be more' particularlyset forth, illustrated in the eceompsnym drawings, end pointed out intheeppen ed claims. l

Reorring to the drawings, forming u port of the specification., Figure 1is heide of on eutomohile, partly-in section,

broken no mcy be required.

Showing tli'e iipplicutioii of ilio iiivoiiioii. Fig. 2 is o' detailview of the liiiikc cylinder, controlling vulve, gege omi viilvofloutlet with intermediate pipe connections. F ig. 3 is o. sectionalvicw'oi the regulator und lock meohunism or 'holding the clutch und-tlie compressor operating 'mechnnism out of oct-ion, scid cris beingillustrated on n larger ecole. section o the clutch operating rod andiiitei'mcdint/e yconnections sind hearings tlicre for. Fig. 5 isotransverse section lo1 the oontrolling.\-'ulve. Fig. 6 is a liorizontnlsection of the controlling vulve. Fig. 7 is n detail View of the comressor, regulator, the lock mechanism .for oldingg' the clutch out 'ofaction und the 'moons 'for tripping tlieloclx end throwing; the clutchinto sction Corresponding ond lil-re ports are referenti to in thefollowing decori, tion, and inflicoted in sil the views of tie-tli-cwings, in; the some inference chemisiers.

lt is to ,he understood thoty the arrange nient of ports will very inthe tion of the invention and will decenti ly lic-on 'the molte undetyle oi? niochino hmfino;

the devices nstollel, thereon. The 'position of tiro parte is onelotgely ot conrcnioncs es weil ne @quellinotion oil-the weight so os -todiotrihute the come os -nonrly iiniiorni as nocciole..

The numeral 1 designates o reservoir for containing nir under pressure.This reservoir me? he of any ccpccitir und cons'rection. Alcoi'itrolliiig loir volvo 2 inconveniently located preernhly u on thedesti ci themnc'ilne enti le connecte with "the roo-er Voir by inc-onsot o pipo 3. presence indicating gege 4 is 'located in the length of il'liis n tronsverse the pipe 3 in such n position os to he underobservation et all times. An outlet 5 is or rongcd'in the lenmh ot theipo 3 and .provided with u volvo, Enid) outlet Viroviding ineens for theconvenient counting;

EGG

.to the pipe '3 ot c rubber tubs f which ioadopted to he connected inthe well known .manner to any one of 'the tires o the cline to beiniliited.

vA brake 'cylinder 7 is arranged in any convenientl position ond itspiuton isiconnected-hy moons oi e rod S with the loruiro mechanism so esto sot or to *reliance the y The 'tiroirs mechanism and the manner ofconnect the rod S thereto muy he ot well linen-fen opposite concirnclionnml forni no woninl inria o" nir nxny he admitted .to ciilior foncl 'oftho.

lai-olio cyiindcr to act or foo rclonno no brnlics ns inny ha' required,tino nir boinc* cnlinuscd from tho ond of tho broio cylinor o poslo thatrcccivng'tlic nir prossimo.. o cir controlling volvo 2 mo. bo of knownconstruction `@visio will ndmifc of air passing therethrough to ono endo tho'loroloo cylinder sind .otlio oir announcing .from the and. of thebrok@ c linor through thc nir valve' into the ritmos orc.

Tho nir compressor. io in may bo of nny'typo ond is connootcdwith thereservoir 1 'by means oa ipo 12. The nir compression is adopted to odriven-by moans of the motor utilized for propelling tho machine. Whilethe connecting means botwecn the motor und oir oomprosscr mcy bc of anyconstruction for convenience c drive bolt 13 is chown connecting nVpulloy 14;- oconro to the elicit of thc ongnno'with n policy 15 loosoupon tho elicit 16 of the nir com rossor. A clutch in ,hold bcwcon the.snort 16 sind pnlloy 15 for' conncciing thc Evil li ein@ Eno'v'nb'lo' bymoana o'-.n nol lll. winch nominali-n. niovonacno rom on anno- V mainercgnlnoncocno olnioli ior throwingllio lnt'or into cron@ of opornclon.-l

The regolano? concisioof n ojglinncn' @il nml c pinion 21 orronsclitoolcrno acid pinion lgcving a liollon? cloni @il vlioli oxtcndn ilirougnonc'ond o tno ol'inlor, @lio opposite ond of thc cylindor, boingconnocic-d with tlio nir rcccrvoir 1 luy moons of o pipo 23. A spring Elnonlly onorin'n proocuro noon tho ison 21 tooroc clic-como' toward rhoond o thc .cylinciiir @o wliioii tmpano 23 is conncocd. Tho spring 2%'in onpnnsiiilo,

and of liclicl orm nn, in monnlfori ni'oon tim hollow sioni nncl in'connor-fl oclwcon lio pinion 21 anni n nel; nu@ 255 ln-onoiiinto" thoonci of tho cylinflor through which tno clem 2%' persoon,thorclifynclmitiing or foral ing tina lcnsion of thc spring @lso-@lianto nir comprcsoor moy icc thrown into or ont' of opcroiicn nl', nnyrcqnircol cir rccsnrn. Tho ro I@ tcloccopco mili clio hol on" atom 22sind in Aprovilc with fn' sop 26 in tho form o a sci collnr. An onncilole holicol spring 97Min 'mounted upon E rodi() nnclfo any -Wellmnd il: 11 midv gngcs thc loi" ong;

coniino boli-vocal tlm ci.: l sin@ Srl? .n iiio' lnor consicfnngg oi.3;" ilic im cnnigircasnir; 'Elim apri im clucli in cngngonicnnwiion clioo` in opcrntion'- Whom ilic 2'@ is coinprcaencd b fio oniwnrol monomericoif @lic alom 225 i. o cinioi'i'ic iiironfnon o :icnon nn lclio nir comThis occurs when to nir prcssnro williin clio ,reservoir 1 is @,lcoic.n, @iron number ci? po'nds por. sqiioro inch. flocl 29 ongcgoo liosli/op 26 nnol` holds clio spring .2'2" coniprcssod and 4tino clnlciiont cngngcmcn. when the wiiliinflio roocrvoir l' is nloovc n gironpoins. when the pressure within tlio rosorvoir 1 @alla below n givcnpoint o tri 30 carried by thc stom 932 'cnfock 29 ond rclcnccn *clicsion wlicn the Eprin 27' comes no' ploy nml throws the clutc intocngngonicni and i.lio air compressor -into oporcfion to charge cina oirreservoir. AS the rassure of clic nir within the reservoir 1 inc'rcnncsthc pinion 2l is gradually moved in 'clic cylinclor 20 io project thestem 22 and io compreso tno sprung 24 nml ns ibo orossnrc ranches thcproclccrmincl point thc conica in Contact with thc niop 2S tho latter sono to compress iii@ 2 sindl to ilirow tho clutch out o notion. clncliromninn in opcrnlzion nnli ciao 26 clcnrs the lock 29 whcn ii, is,thrown ngcniont ond liclri inactivo icy iii@ ical? 2% engaging tho stopclic or of lic cylindcr il@ is roclnood flic Pasic..

moves inwnr nnl ci prcoicrnnncfi i, iioloci 2Q in irlpgcoc *a* il@ so@isnt tho clnlcii moy oo @goin thrown ini@ ncinon to ,operaio iiio 'igor.noolinraingr clic rcrlcrvoir.,

En will o iinolcrstocd hnl', cin: comprcssor inno?, chroom ini@oporniion noi-i1 clio pron nino Wliinilio oir coniprcasor nos fnlion imn giron poin liz-:noo provision in limi or n nnion'o ci? n Moy' 'iconoliundrori poiinds moro or i o proof-mrc wiliin ilic ooorvoir. nichon@orio-cling' lli@ comprcnsor cillior to throw clac como into'or ont ci?oper galon.'

Tilo slop 2G rolcrnloly connino c1? n icio which in mooie foci, in :anymanner to thc ro 19 so no to move iliorowiili. Tho lock 29 .concision ofn bnr which is pivolccl between iin ono ifo n fsnnlilo snppor, scid on-rllovingg nn noproximnin norizon-nl-nrrnngcinon- "E io @nel o thc bnrrornolo from clic stop 2G io woiglitci and inciinccl upon its lower.ciclo ond cnggoggos the frio 30 which consis o on om pondent from choscorn 22. Wiicn @no piston-21 moron outward in thc cylincr tho nrm 30ridoc noon thc inclined sido ci lie hor $59, tlicrcby permitting?? lilowcigziioli cn ci noch loor to grnvilnizo, wioroliy tfno on ponioo @nel oclio bnr io lcronnli. in cominci, with olio cion .y snol con@ 2G gnalll/lil 'l 'moved by the action ofthe piston 20 so as to position',

clear the end of the bar or lock 29 the latter between its end moves tobring the end adjacent the stop in arranged to enga the pathtliereof,thereby holding such stop end portion being repressed againstthe action of the spring ing connectio 27. yWhen the piston 21 returnsto a norto cooperate w mal position in the cylinder the arm 30 lock toeffect pos moves so as "to trip the lock 29 and disen- 3. The hereingage the end in contact wi h the stop 26 piirpos from such stop, whichlatter is caused to ascylinder,

spring 27.

direction, a spring for moving the piston in an opposite direction, astop arrangedto be operated by .means of the piston, a spring acting 4onthe stop to hold' it in a given Copies of this patent may -be obtainedfor vtive cents each,

a lock consisting s and having on Ue the stop,

itive movemen described mecha the sameo consi d to voperate there- Witha tubular stem, a rod ith such tubular stem, means' direction, a 6o especified,

ton arrange sume anormal position by the action of the in and provi ytelescoping VFrom the Jforegoing description, taken in for movingvconnection With the accompanying drawspring mou ings, the advantages ofthe'construction and adap ot' vthe method of operation will be readilydirection, a s apparent to those skilled the art to which spring n theinvention appertains, and While I have position, described the principleof operation of the and hold it when move invention, together with thedevice-Which I of its operating spr' now 'consider' to be the bestembodiment by the said tubulars thereof, I desire to have vit understoodthat feet a releas the device shown is merely illustrative, an 41. Inmechanism o e herein set linder, a piston arr lar stem connec ding4through top secured a lock arrang that such changes may be made when dethe purpos sii-ed as are Within the scope of thev claims tion of a cyappended hereto. v the cylinder, a tubu ton and exten Having thusdescribed the invention what the'pis a' set nut threa is claimed as`new, iszthe cylinder,

l. The herein described mechanism for of' the cylinder the purposespeciied-the same consisting of stem passes an a cylinder, a pistonarranged to operate therein, means for moving theV piston' in Aonedirection, a spring Jfor moving they piston in an opposite direction, astop, a spring an expansibl the tubular d set nut, a ro m, a stop securtherethrough, lmounted upon the pi with the tu rod, a sp'ri i upon the apivote to hold top to hold it in g lock arranged to en 'it when move ofits operating spri by the'tiibular stem an the lock from th of acylinder, a piston arranged to operate In testimony therein, means formoving the piston in one 4in presence of Witnesses:

A. HOULIHAN, EDWARD J. AVERY.

by addressing ."-Washiiigtom D. G.

of 'a bai' pivot-ed cof such ends the opposite d a trip havthe pistonand arranged inclined part of the tof the latter.

nism for the 'sting of a 'ston in 2in-'opposite tothe said rod, a thestop in a Agiven to engage the stop d against .the tension and laltripcarried adapted to efock'from lthe said stop. I f the character and01270 forth, 4the combinaanged Within ted with an end o d to the lend7.5 ch the'tiibular the latter extending e helicalspring stem between dltelescopin'g 80 ed to said ng a pressure iven position, gagev thestoplt-thetension p carrie daptedto release e said stop. i

hereof I aiilx my signature HARRY siviirii.

the Commissioner of Patents.

